短语词组短語harmonic telephone ringer [通信]諧波電話振鈴器;諧波電話鈴;繙譯harmonic c ringer 選頻鈴harmonic telphone ringer 繙譯harmonic source telephone ringer 諧波電話振鈴器ringer harmonic telephone 諧波電話鈴 返回 harmonic ringer